| Place | Swimmer | Age | Club | Time | Std | Power pts |
|---|---|---|---|---|---|---|
| 2 | Xander Mui | 16 | PCUN | 1:07.65 | — | — |
| — | Xander Mui | 16 | PCUN | 1:08.88 | — | — |
| — | Ainsley Michael | 18 | PCUN | 1:10.03 | — | — |
| 1 | Ainsley Michael | 18 | PCUN | 1:10.55 | — | — |
| 3 | Jeffrey Xu | 16 | PCFOG | 1:12.28 | — | — |
| — | Jeffrey Xu | 16 | PCFOG | 1:13.73 | — | — |
| 3 | Zorianna Mui | 14 | GALI | 1:15.29 | — | — |
| — | Zorianna Mui | 14 | GALI | 1:15.31 | — | — |
| — | Jayden Choi | 16 | GALI | 1:17.33 | — | — |
| 4 | Jayden Choi | 16 | GALI | 1:17.93 | — | — |
| — | Theresa Tsai | 15 | PCRAYS | 1:18.04 | — | — |
| 6 | Theresa Tsai | 15 | PCRAYS | 1:21.00 | — | — |
| — | Karina Louie | 14 | PCFOG | 1:28.55 | — | — |
| — | Fiona Wan | 14 | LICN | 1:28.84 | — | — |
| 7 | Fiona Wan | 14 | LICN | 1:31.00 | — | — |